yamakishi



Jan. 29, 1929.

T, YAMAKESH! AUTOMATIC RAILROAD SWITCH V 2 Sheets$heet 1 i I N VEN TOR.

Fi ed Oct. 24, 1927 T A TTORNEY.

Jan. 29, 1929.

T. YAMAKISHI AUTOMATIC RAILROAD SWITCH Filed 001;. 24, 1927 2 Sheets-Sheet 2 I N V EN TOR. T/Q/va/e/s/x/ By $4? @W A TTORNE Y.

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- 10'v0111e11t of the controlling banin one 1 Will-Lil 11 ei AUIGMfaTEC plies.

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es to i111 ro2e111e11ts in and he his invention ielat t W be SW1;

switch 21 iiei'efoi' in 11: Ute to the 111111 Jan 29, 1

I11 railway 1110 11s t "a H 1 W 1 n m 1 11 LI h e e 11:11 211d cl similar to -4ei7-se1e1 "1 8. to cooperate with e be; to moi-mall 7 he plates 22 on a 70 7 as clearly shown in is continued len 'ththe 01111 of 7 means 2 tense he plat are (111; the trzzelz mil he nvesent f 11101" (l .111 one (llTGeClCZl jeet 01": t

:ove .g:

The main oh connetecl for unit to he 11'- 1ecl111111 1 locomotive.

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the conneetion g prostendin 1: igure 4 is a. similar View with th switch L8 (in connected to one of the ties against the end of the lever .4101 th lever 111 a position to 'eetionl illustraposi fffilllllnflti'l plan 1 0 point set for travel in the on Fimne 5 is 1 (l nth the so o the 11121111 1 ail 1 respect to poet mint

; that is with 10S G. the s 110111 ,fve L 1.4 1 l zn-ireiigenien t1o11 011 eh points, W

101: mil 5 o" l'LSS e then held n by he ever 31 in tl points "1' I I I l lgilie pre- 1 1: ieeis 01 the 1e p u- 101 (le' position of "to or immediately it, the Wl eitio ip 011 the e1" the l 13 the e12 011' t e t the sun 11 of tling in their 1101111511 moving tion,

f1 tio llv 11d ints, the

Q, h 0 limit c mech- "ies 4 ch ,30 in ular lot Wit 1, t

i 1 it :lQi] Ci /x1 tic ncl s provided loel trolled by a 1 locking; bar 9 vertlea 511K168 30 on one of the ls ot the s 111g noinmllyonfl cl 13 0 ed on the par King in the S10 45 the points. are co aeietive en 1e movahle en 9 be (lirec 1e 0 sliclahly guicl a: through the medium 0 anisni including; movahl acent t the her is i! receive her 1 5E; neetion 15, the tie bei additional tocomotive and therenfter the wheels of the was of the train ride upon and depress the tree edges of the plates 22, rocking the hat 17 and moving; the controlling be]? M inthe direction of the arrow (Figure 3). 'ihii; withdraws the pointed end 13 oi the controlling her from the opening in the locking hintand permits the latter to move n nvzn'tily under the influence of the spring. As the lever 131 is shifted, the ewiteh point 1. moves into contact with the mil "4' and the switch point 2 moves away from contact with the wit h. its: this; movement coi'itiiniee, the loci:- ing hat 9 rides NP'WHI'tiiy irnn'iedizi'etv :1 it 2tcent; to the base of the ewitvh point 1. ho iing the switch locked in thie POSitim').

As the t 'ziin itnhy Glitt'lt the loop and ride. oii' of the plates; 22, the spzin operates to i t) restore the parts to ()illliii position, withtivmvingzf the looking ban 9 from locking position relative to the switch points and per:- niitting the spring 34; to operate the lever to restore the switch points to noi'nnii position. As the train COD'lPiLiZOH the loop and again reaches the main track, the switch points are deflected by the wheels to permitthe tiesiieii movement and then will innnetiiateiy retin'n to normal poeition through the infinence of the spring 3%.

The. plates 26 and eoopeij'ntingjg parts serve of course to nniii'itnin the locked position of the switch until the train has eonipletc 1y left the switch ZU'Git.

1i the trzi'n direction is opposite to that e no movement of the iQVGl 31 1s :e nnnzii i I opm'eted ewiteh.

i i hut I chino to he new is:

In :i switch systenn, the coi'nliinntion with a pair of n'iiin Tails, :1 pair of ewitieii i'nih: whose terminals tU'Q ewingiibie between the main mite, e icvei having one of its ends pivoted to the switch, a inning for hoh'iing said ievei' in normal position it rock shaft, pressure plates on the rock shaft a resiliently teneionett switch ail locking device, and a tapered. elidehie continuing hinlinked to said rock shaft and frictionally eng've ing' said mil locking device to nnioeh the same whenever a vehicle contacts with the pressure plates on the rock shaft.

in testimony whereof 1 :niix in Si Minuet-n. 

